Home / 92,999.03-128,335.07-50,557.57

Finding the Fourth Proportional to 92,999.03, 128,335.07 and 50,557.57

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Solution

The fourth proportional to 92,999.03, 128,335.07 and 50,557.57 is: 69,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.03 : 128,335.07 = 50,557.57 : x
  2. Step 2: Convert to fraction form
    92,999.03/128,335.07 = 50,557.57/x
  3. Step 3: Cross multiply
    92,999.03x = 128,335.07 × 50,557.57
  4. Step 4: Simplify right side
    92,999.03x = 6,488,309,090.54
  5. Step 5: Solve for x
    x = 6,488,309,090.54/92,999.03
  6. Step 6: Final answer
    x = 69,767.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.